Screwdriver capable of rapidly rotating by means of centrifugal force
By incorporating a centrifugal rotor and centrifugal ball into the screwdriver, centrifugal force is used to achieve multiple rotations of the screwdriver head, solving the problem of time-consuming and laborious disassembly of long screws with traditional screwdrivers and improving operational efficiency.
Patent Information
- Application Number
- CN202520280952.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing screwdrivers require continuous rotation when removing long screws, which is cumbersome, time-consuming, and labor-intensive, reducing work efficiency.
A screwdriver that rotates rapidly by relying on centrifugal force was designed. By setting two centrifugal rotors and a centrifugal ball between the handle and the screwdriver head, the inertia of the centrifugal ball drives the screwdriver head to rotate multiple times, thereby achieving rapid screw removal and installation.
It simplifies the operation process, reduces hand friction, avoids fatigue caused by prolonged operation, and improves work efficiency.
Smart Images

Figure CN223889886U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screwdriver technology, specifically to a screwdriver that relies on centrifugal force for rapid rotation. Background Technology
[0002] According to the needs of mine safety monitoring, monitoring personnel often need to disassemble the screws of various devices such as substations and junction boxes. When using a screwdriver, it is necessary to rotate the screwdriver continuously to remove the screw. For some long screws, the staff need to rotate the screwdriver many times, which is troublesome, time-consuming and laborious, greatly reducing work efficiency.
[0003] Therefore, this utility model proposes a screwdriver that rotates rapidly by centrifugal force. Utility Model Content
[0004] To overcome the shortcomings of the prior art, this utility model provides a screwdriver that relies on centrifugal force for rapid rotation, and the specific technical solution is as follows:
[0005] A screwdriver that rotates rapidly by centrifugal force includes a top cover and a handle; the top cover is rotatably connected to the handle; a screwdriver head is provided at the bottom of the handle; two centrifugal rotors extending radially outward and symmetrical about the central axis are provided between the handle and the screwdriver head; a centrifugal ball is provided at the end of each centrifugal rotor away from the handle.
[0006] Preferably, the bottom of the top cover is provided with a rotating shaft, and the end of the rotating shaft away from the top cover is provided with a spherical shaft core; the top of the handle is provided with a bearing seat; the top cover is rotatably connected to the handle through the spherical shaft core and the bearing seat of the rotating shaft.
[0007] Preferably, the handle has an oil inlet for adding lubricating oil at the position corresponding to the spherical shaft and the bearing seat.
[0008] Preferably, the centrifugal rotor is made of stainless steel.
[0009] More preferably, the centrifugal ball is made of copper or stainless steel.
[0010] The beneficial effects of this utility model are:
[0011] 1. When using this utility model, simply press the top cover of the screwdriver with your palm to apply pressure while ensuring a tight connection between the screwdriver tip and the screw connection notch. This allows you to rotate the screw by turning the screwdriver tip, thereby tightening or loosening the screw.
[0012] 2. This utility model, by setting up a centrifugal rotating rod and a centrifugal ball, utilizes the centrifugal force of the centrifugal ball to achieve a single force on the handle, which drives the screwdriver head to rotate multiple times under the inertia of the centrifugal ball, thus achieving the purpose of quickly installing and removing screws. It is convenient to operate, saves time and effort, and effectively improves work efficiency. Attached Figure Description
[0013] The accompanying drawings constituting this utility model are provided to further understand this application and do not constitute an undue limitation on this application.
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] In the diagram, 1-top cover; 2-shaft; 3-handle; 4-centrifugal rotor; 5-centrifugal ball; 6-screwdriver head. Detailed Implementation
[0016] The specific implementation of a screwdriver that relies on centrifugal force for rapid rotation, provided by this utility model, will be further described in conjunction with the accompanying drawings and embodiments.
[0017] like Figure 1 As shown, a screwdriver that rotates rapidly by centrifugal force includes a top cover 1 and a handle 3; the top cover 1 and the handle 3 are rotatably connected; a screwdriver head 6 is provided at the bottom of the handle 3; preferably, two centrifugal rotating rods 4 extending radially outward and symmetrical about the central axis are provided between the handle 3 and the screwdriver head 6; a centrifugal ball 5 is provided at the end of each centrifugal rotating rod 4 away from the handle 3.
[0018] Preferably, the bottom of the top cover 1 is provided with a rotating shaft 2, and the end of the rotating shaft 2 away from the top cover 1 is provided with a spherical shaft core; the top of the handle 3 is provided with a bearing seat; the top cover 1 is rotatably connected to the handle 3 through the spherical shaft core of the rotating shaft 2 and the bearing seat.
[0019] In order to generate centrifugal force due to inertia when the centrifugal ball 5 rotates, the centrifugal ball 5 is made of copper or stainless steel with a certain mass and high hardness and wear resistance; the centrifugal rotor 4 is made of stainless steel.
[0020] To reduce the friction between the spherical shaft and the bearing seat when the top cover 1 is pressed, and to make the rotation smoother, the handle 3 is also provided with an oil inlet for adding lubricating oil at the position corresponding to the spherical shaft and the bearing seat.
[0021] When using this screwdriver, press the top cover 1 with your palm while rotating the screwdriver. This applies pressure to ensure a tight connection between the screwdriver head 6 and the screw's notch, allowing the screw to be tightened or loosened by rotating the screwdriver head 6. The centrifugal force of the centrifugal ball 5 applies force to the handle 3, causing the handle 3 and screwdriver head 6 to rotate multiple times under the inertia of the centrifugal ball 5. This facilitates the quick installation and removal of screws, especially long screws. Compared to traditional screwdrivers, this reduces hand friction, avoids hand fatigue from prolonged use, and is convenient, time-saving, and labor-saving, effectively improving work efficiency.
[0022] In this utility model, terms such as "upper," "lower," "bottom," and "top" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are merely used to facilitate the description of the structural relationships of the various components or elements of this utility model and do not specifically refer to any part or element of this utility model; they should not be construed as limiting this utility model. Terms such as "connected" and "linked" should be interpreted broadly, indicating a fixed connection, an integral connection, or a detachable connection; a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be determined according to the specific circumstances, and they should not be construed as limiting this utility model.
[0023] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.
Claims
1. A screwdriver that rotates rapidly by centrifugal force, characterized in that, It includes a top cover and a handle; the top cover is rotatably connected to the handle; a screwdriver head is provided at the bottom of the handle; two centrifugal rotors are provided between the handle and the screwdriver head, extending radially outward and symmetrical about the central axis; a centrifugal ball is provided at the end of each centrifugal rotor away from the handle.
2. The screwdriver that rotates rapidly by centrifugal force according to claim 1, characterized in that, The top cover has a rotating shaft at its bottom, and a spherical core is provided at the end of the rotating shaft away from the top cover; the handle has a bearing seat at its top; the top cover is rotatably connected to the handle through the spherical core and bearing seat of the rotating shaft.
3. The screwdriver that rotates rapidly by centrifugal force according to claim 2, characterized in that, The handle has an oil inlet for adding lubricating oil at the position corresponding to the spherical shaft and the bearing seat.
4. The screwdriver that rotates rapidly by centrifugal force according to claim 1, characterized in that, The centrifugal rotor is made of stainless steel.
5. The screwdriver that rotates rapidly by centrifugal force according to claim 1, characterized in that, The centrifuge ball is made of copper or stainless steel.